Quiz: fill in the blank:

I ___ an apple right now.

will be eating, had eaten, were eating, am eating, will eat, eaten, was eating, have eaten, ate, eat

• It's essential that the temperature is not elevated to a point where the substance formed may become unstable and decompose into its constituent elements.
• Atlanta, Georgia, is a hub of air and train transport, as well the leading symbol of the new South.
• Anders Celsius, a Swedish astronomer, devised the temperature scale what bears his name.
• The differential attractions of the sun and the moon have a direct effect in the rising and falling of the tides.
• An orangutan is similar to a human because has a nearly identical DNA pattern.
• A number of sleeping pills are accompanied by such side effects as amnesia and irritable.
• Where does a river intersects another river, a city usually is formed.
• Daily ingestion of large quantities of Vitamin E might help people substantially lengthen the lives.
• In an effort of expand their educational mission, TV networks are trying to have more programs for children.
• Who pays for wedding expenses depends on the culture in what the wedding takes place.
• Heavy oxygen, termed deuterium, composes of atoms which are ten percent heavier than those of oxygen.
• Even if a member has drank too much the night before, the counselors of Alcoholic Anonymous will try to convince him or her to sober up and stop drinking again.
• With special enzymes that are call restriction enzymes, it is possible to split off segments of DNA from the donor organism.
• Agricultural scientists at the University of California have recently made a number of discoveries that could help themselves receive upcoming governmental grants.
• To generate income, magazine publishers must decide whether to increase the subscription price or selling advertising.
• If it receives enough rain at the proper time, hay will grow quickly, as grass.
• Virtually all philosophers agree the beauty cannot be defined in an objective way.
• Many international corporations have exploited the natural resources of countries in third world.
• Of all the cereals, rice is the one that providing food for more people than any of the other grain crops.
• If biennials were planted this year, they will likely to bloom next year.